CONTENTS: Introduction The Lines of Development The Nature and Significance of Mental Evolution -- The Structure of Mind -- The General Function of Mind and Brain -- Mental Development in the Individual -- Individual Experience and Social Tradition -- The Empirical Order -- The Two Orders -- Conceptual Reconstruction -- Experiential Reconstruction -- The Will in Development -- Social Developments The Conditions of Development Experience and Reality -- The Validity of Scientific Reconstruction -- The Past and the Future -- Mechanism and Teleology -- Evolution and Teleology -- Development and Harmony Leonard Trelawney Hobhouse, more commonly known as L.T. Hobhouse, was a British sociologist (1864 - 1929) known for his comparative studies of social development. He was one of the leading social theorists of his generation and is noted for his prominence in the fields of liberalism and sociology. In 1907 he became the first Professor of Sociology in a British university. He was pivotal in the establishment and foundation of sociology as an academic discipline and in the refinement of its methodology.